Relief Valve (Rear Brake Oil Cooler)
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| 图 1 | g00503806 |
后制动油冷却器安全阀的位置 | |
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| 图 2 | g00278660 |
(1) 后制动油冷却器安全阀 (2) 阀门 (3) 填隙片 (4) 弹簧 (5) 螺塞 (6) 填隙片 (7) 通往液压油箱的出入口 (8) 制动器冷却油出入口 | |
后制动油冷却器安全阀位于举升控制阀中。 该安全阀可释放流至后制动油冷却器的所有机油的压力。 通过出入口 (7) ，可检测到阀 (2) 末端的压力油。 当油压超过释放压力时，阀 (2) 向右移动， 从而压缩弹簧 (4) 。 这样，机油可以经阀 (2) ，通过出入口 (7) 流进液压油箱。
要改变安全阀的压力设定值，可卸下螺塞 (5) 。 添加填隙片 (6) 可增高压力设定值。 拆下填隙片 (6) 可降低压力设定值。
注: 请勿调整填隙片 (3) 的数量。
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